814949 has 2 divisors, whose sum is σ = 814950. Its totient is φ = 814948.

The previous prime is 814943. The next prime is 814991. The reversal of 814949 is 949418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 13924 = 895^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 814949 - 2¹² = 810853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407474 + 407475.

It is an arithmetic number, because the mean of its divisors is an integer number (407475).

2⁸¹⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

814949 is a deficient number, since it is larger than the sum of its proper divisors (1).

814949 is an equidigital number, since it uses as much as digits as its factorization.

814949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 814949 is about 902.7452575339. The cubic root of 814949 is about 93.4064379063.

The spelling of 814949 in words is "eight hundred fourteen thousand, nine hundred forty-nine".